<html>
<head>
	<script src="https://cdn.jsdelivr.net/npm/vue@2.5.16/dist/vue.js"></script>
</head>
<body>
	<div id='app'>
		您点击了： {{ count }} 次
		<br/>
		<button v-on:click='count += 1' style='margin-top: 50px'> + 1</button>
	</div>

	<script>
		var app = new Vue({
			el: '#app', 
			data: {
				count: 0
			}
		})
	</script>
</body>
</html>

